Boronda, CA has a population of 1,381 and is the 13,172nd largest city in the United States. The population density is 2,509 per sq mi which is 980% higher than the California average and 2669% higher than the national average. The median age in Boronda is 34 which is approximately 4% lower than the California average of 36. In Boronda, 67% of the population over 15 years of age are married, 43% speak English and 55% speak Spanish. 72% of Boronda residents were born in California, 3% were born out of state, 0% were born outside of the United States and 25% were foreign born.